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    Human skeleton model with detailed Vastus medialis muscle, computer illustration. — Stock Photo
    Human skeleton model with detailed Vastus medialis muscle, computer illustration.
    DNA autoradiograph pattern, digital illustration. — Stock Photo
    DNA autoradiograph pattern, digital illustration.
    Bacterial encephalitis. Conceptual computer illustration showing bacteria infecting brain cells — Stock Photo
    Bacterial encephalitis. Conceptual computer illustration showing bacteria infecting brain cells
    X-ray illustration of risk of brain injury while head-on car crash, digital artwork. — Stock Photo
    X-ray illustration of risk of brain injury while head-on car crash, digital artwork.
    Illustration of human hip bones on white background. — Stock Photo
    Illustration of human hip bones on white background.
    Illustration of senior man silhouette with visible lungs. — Stock Photo
    Illustration of senior man silhouette with visible lungs.
    Parasitic louse on human head skin, digital illustration. — Stock Photo
    Parasitic louse on human head skin, digital illustration.
    Illustration of silhouette of obese man with visible larynx. — Stock Photo
    Illustration of silhouette of obese man with visible larynx.
    Human skeleton part with detailed Pronator extensor indicis muscle, digital illustration. — Stock Photo
    Human skeleton part with detailed Pronator extensor indicis muscle, digital illustration.
    Lymphocytes white blood cells, digital illustration. — Stock Photo
    Lymphocytes white blood cells, digital illustration.
    Digital illustration of solid node in right lung near lung apex while secondary tuberculosis infection. — Stock Photo
    Digital illustration of solid node in right lung near lung apex while secondary tuberculosis infection.
    Illustration showing different types of lipid-based nanoparticles for drug delivery: Nanostructured Lipid Carrier (NLC) (top left), emulsion (top right), liposome (bottom left), and Solid Lipid Nanoparticle (SLN) (bottom right). — Stock Photo
    Illustration showing different types of lipid-based nanoparticles for drug delivery: Nanostructured Lipid Carrier (NLC) (top left), emulsion (top right), liposome (bottom left), and Solid Lipid Nanoparticle (SLN) (bottom right).
    Illustration of Uranus planet in shadow on black background. — Stock Photo
    Illustration of Uranus planet in shadow on black background.
    Male hands silhouette with wrist pain, digital illustration. — Stock Photo
    Male hands silhouette with wrist pain, digital illustration.
    Male anatomy showing Orbicularis oculi muscle, computer illustration. — Stock Photo
    Male anatomy showing Orbicularis oculi muscle, computer illustration.
    Illustration of synapse structure in cross section. — Stock Photo
    Illustration of synapse structure in cross section.
    Gluteus maximus muscles — Stock Photo
    Gluteus maximus muscles
    Illustration of antibodies attacking influenza virus. — Stock Photo
    Illustration of antibodies attacking influenza virus.
    Female body model with red colored Vastus intermedius muscle, computer illustration. — Stock Photo
    Female body model with red colored Vastus intermedius muscle, computer illustration.
    Illustration of the Solar System showing each planet's orbital period (in Earth days or years), the time it takes to complete one orbit around the Sun — Stock Photo
    Illustration of the Solar System showing each planet's orbital period (in Earth days or years), the time it takes to complete one orbit around the Sun
    Transparent human silhouette and skeleton with detailed clavicle bone, computer illustration. — Stock Photo
    Transparent human silhouette and skeleton with detailed clavicle bone, computer illustration.
    Human skeleton part with detailed red Gastrocnemius muscle, digital illustration. — Stock Photo
    Human skeleton part with detailed red Gastrocnemius muscle, digital illustration.
    Human heart anatomy showing pulmonary valve, digital illustration. — Stock Photo
    Human heart anatomy showing pulmonary valve, digital illustration.
    Illustration of transparent blue silhouette of male body with colored liver. — Stock Photo
    Illustration of transparent blue silhouette of male body with colored liver.
    Medical illustration of male skeleton with ureter system — Stock Photo
    Medical illustration of male skeleton with ureter system
    Pentatrichomonas hominis protozoan in human large intestine, digital illustration. — Stock Photo
    Pentatrichomonas hominis protozoan in human large intestine, digital illustration.
    Human skeleton with red colored Serratus posterior inferior muscle, computer illustration. — Stock Photo
    Human skeleton with red colored Serratus posterior inferior muscle, computer illustration.
    Twyfelfontein, an ancient rock engravings site in Damaraland; Kunene Region, Namibia — Stock Photo
    Twyfelfontein, an ancient rock engravings site in Damaraland; Kunene Region, Namibia
    Human cytomegalovirus (HCMV), computer illustration. HCMV is member of herpesvirus family — Stock Photo
    Human cytomegalovirus (HCMV), computer illustration. HCMV is member of herpesvirus family
    Brain neurons, conceptual illustration — Stock Photo
    Brain neurons, conceptual illustration
    Psoas major musculs — Stock Photo
    Psoas major musculs
    3d rendered illustration of knee cartilage in human skeleton. — Stock Photo
    3d rendered illustration of knee cartilage in human skeleton.
    Brown and white eggs on pink background — Stock Photo
    Brown and white eggs on pink background
    Asian tourists in The Metropolitan Museum of Art, New York, USA — Stock Photo
    Asian tourists in The Metropolitan Museum of Art, New York, USA
    Red orthomyxovirus particle on yellow background, illustration. — Stock Photo
    Red orthomyxovirus particle on yellow background, illustration.
    Nipah virus in lungs, conceptual computer illustration. Nipah virus is zoonotic (transmitted to humans from animals) and was first found in Malaysia and Singapore in people who had close contact with pigs — Stock Photo
    Nipah virus in lungs, conceptual computer illustration. Nipah virus is zoonotic (transmitted to humans from animals) and was first found in Malaysia and Singapore in people who had close contact with pigs
    Team of glassblowers shaping molten glass at glassblowing factory — Stock Photo
    Team of glassblowers shaping molten glass at glassblowing factory
    Computer artwork of planet Earth in shadow. — Stock Photo
    Computer artwork of planet Earth in shadow.
    Visual rendering of Moon surface — Stock Photo
    Visual rendering of Moon surface
    Illustration of senior woman silhouette showing gallbladder on black background. — Stock Photo
    Illustration of senior woman silhouette showing gallbladder on black background.
    Abstract male silhouette with visible brain and nerves of nervous system, computer illustration. — Stock Photo
    Abstract male silhouette with visible brain and nerves of nervous system, computer illustration.
    Human leg musculature — Stock Photo
    Human leg musculature
    Crop unrecognizable little girl in black apron standing near pottery wheel while shaping clay pot in light workshop — Stock Photo
    Crop unrecognizable little girl in black apron standing near pottery wheel while shaping clay pot in light workshop
    Human intestinal villi, computer illustration. — Stock Photo
    Human intestinal villi, computer illustration.
    Close-up of glassblowing machinery at glassblowing factory — Stock Photo
    Close-up of glassblowing machinery at glassblowing factory
    Human skeleton model with detailed Platysma muscle, digital illustration. — Stock Photo
    Human skeleton model with detailed Platysma muscle, digital illustration.
    Red blood cells — Stock Photo
    Red blood cells
    Human skeleton with red colored Serratus anterior muscle, digital illustration. — Stock Photo
    Human skeleton with red colored Serratus anterior muscle, digital illustration.
    Two month old fetus — Stock Photo
    Two month old fetus
    Illustration of male sprinter silhouette showing painful joint on black background. — Stock Photo
    Illustration of male sprinter silhouette showing painful joint on black background.
    Entamoeba gingivalis parasitic pathogen single-celled protozoan, amoeba in oral cavity, digital illustration. — Stock Photo
    Entamoeba gingivalis parasitic pathogen single-celled protozoan, amoeba in oral cavity, digital illustration.
    Female upper body anatomy and internal organs, computer illustration. — Stock Photo
    Female upper body anatomy and internal organs, computer illustration.
    Acinetobacter sp. bacteria infection — Stock Photo
    Acinetobacter sp. bacteria infection
    Macrophage (purple) and cancer cells (red), illustration. — Stock Photo
    Macrophage (purple) and cancer cells (red), illustration.
    Nervous system of female neck, computer illustration. — Stock Photo
    Nervous system of female neck, computer illustration.
    Virus particles or virions — Stock Photo
    Virus particles or virions
    Nerves of human neck, computer illustration. — Stock Photo
    Nerves of human neck, computer illustration.
    Illustration of Mycobacterium tuberculosis bacteria, the Gram-positive rod-shaped bacteria which cause the disease tuberculosis (TB). The disease affects the lungs and sometimes other parts of the body — Stock Photo
    Illustration of Mycobacterium tuberculosis bacteria, the Gram-positive rod-shaped bacteria which cause the disease tuberculosis (TB). The disease affects the lungs and sometimes other parts of the body
    Fibrous-cavernous pulmonary tuberculosis and close-up of Mycobacterium tuberculosis bacteria. — Stock Photo
    Fibrous-cavernous pulmonary tuberculosis and close-up of Mycobacterium tuberculosis bacteria.
    Normal human sperm cells — Stock Photo
    Normal human sperm cells